Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
osteologie.at
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-29 20:30:28 UTC · ↺ Refresh
MX Hostnames
- mail1.casariso.com
MX Priorities
- mail1.casariso.com: 10
A / AAAA Records
- 194.50.173.16 ↩ web.casariso.com
Mail Server IPs
- 194.50.173.12 ↩ mail.casariso.com
- 194.50.173.52 ↩ mail1.casariso.com
SOA Record
Raw SOA
ns1.casariso.at hostmaster.casariso.com 2023073101 900 3600 604800 900
Primary NS (mname)
ns1.casariso.at
Admin Email (rname)
hostmaster@casariso.com
Serial
2023073101
Refresh
900s
Retry
3600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns2.casariso.at
ns1.casariso.at
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:194.50.173.37 a:mail1.casariso.com a:mail.casariso.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:194.50.173.37 a:mail1.casariso.com a:mail.casariso.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for osteologie.at
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits